wl12xx: fix a memory leak of probereq template upon recovery

wlvif->probereq is zeroed when adding an interface but
the skb pointed to isn't freed when the interface is removed.
This would lead to a mem leak on every recovery.
Fix it by freeing the skb when removing the interface.

Signed-off-by: Eyal Shapira <eyal@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c
index e21d21d7de8e..b560f2d2837b 100644
--- a/drivers/net/wireless/wl12xx/main.c
+++ b/drivers/net/wireless/wl12xx/main.c
@@ -2358,6 +2358,8 @@ deinit:
                 wl1271_free_ap_keys(wl, wlvif);
         }
 
+        dev_kfree_skb(wlvif->probereq);
+        wlvif->probereq = NULL;
         wl12xx_tx_reset_wlvif(wl, wlvif);
         if (wl->last_wlvif == wlvif)
                 wl->last_wlvif = NULL;